/* ==========================================================================
   CSS Reset & Variables
   ========================================================================== */
:root {
    /* Color Palette */
    --bg-dark: #0A0812;
    --card-bg: rgba(20, 18, 30, 0.45);
    --border-color: rgba(255, 255, 255, 0.07);
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    
    /* Glowing Accent Colors */
    --accent-indigo: #6366F1;
    --accent-purple: #8B5CF6;
    --accent-cyan: #06B6D4;
    --accent-error: #EF4444;
    --accent-success: #10B981;
    
    /* Layout & Styling Tokens */
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --border-radius-lg: 24px;
    --border-radius-md: 12px;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-purple);
}

/* ==========================================================================
   Dynamic Glow Background
   ========================================================================== */
.glow-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
    overflow: hidden;
}

.glow-spot {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.25;
    mix-blend-mode: screen;
    animation: floatGlow 15s infinite alternate ease-in-out;
}

.glow-1 {
    top: -10%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-indigo) 0%, transparent 70%);
}

.glow-2 {
    bottom: -10%;
    right: -10%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, var(--accent-purple) 0%, transparent 70%);
    animation-delay: -5s;
}

.glow-3 {
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--accent-cyan) 0%, transparent 70%);
    opacity: 0.15;
    animation-duration: 20s;
}

@keyframes floatGlow {
    0% {
        transform: translate(0, 0) scale(1);
    }
    100% {
        transform: translate(50px, 30px) scale(1.1);
    }
}

/* ==========================================================================
   Page Layout & Container
   ========================================================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* ==========================================================================
   Header Component
   ========================================================================== */
.header {
    text-align: center;
    margin-bottom: 4rem;
}

.logo {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #FFF 30%, #C084FC 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo span {
    background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-indigo) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header h1 {
    font-family: var(--font-heading);
    font-size: 2.75rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
    background: linear-gradient(to right, #FFF, #CBD5E1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* ==========================================================================
   Main Grid Layout
   ========================================================================== */
.main-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: start;
    margin-bottom: 4rem;
}

/* ==========================================================================
   Value Propositions (Left Side)
   ========================================================================== */
.value-props h2 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
}

.value-props h2::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(to right, var(--accent-purple), var(--accent-cyan));
    border-radius: 2px;
}

.props-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.prop-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 1.75rem;
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: var(--transition-smooth);
}

.prop-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.15);
    background: rgba(20, 18, 30, 0.6);
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.05);
}

.prop-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(139, 92, 246, 0.1);
    color: var(--accent-purple);
    border-radius: var(--border-radius-md);
    margin-bottom: 1.25rem;
}

.prop-icon svg {
    width: 22px;
    height: 22px;
}

.prop-card h3 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: #FFF;
}

.prop-card p {
    font-size: 0.925rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ==========================================================================
   Bid Form Glass Card (Right Side)
   ========================================================================== */
.glass-form-card {
    background: rgba(20, 18, 30, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 2.5rem;
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.form-title {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #FFF;
}

.form-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* ==========================================================================
   Form Input Styling (Modern & Accessible)
   ========================================================================== */
.form-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: #E2E8F0;
    margin-bottom: 0.5rem;
}

.required {
    color: var(--accent-error);
    margin-left: 2px;
}

input[type="text"],
input[type="email"],
textarea {
    width: 100%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #FFF;
    border-radius: var(--border-radius-md);
    padding: 0.875rem 1rem;
    font-family: var(--font-body);
    font-size: 1rem;
    min-height: 48px;
    transition: var(--transition-smooth);
}

input[type="text"]::placeholder,
input[type="email"]::placeholder,
textarea::placeholder {
    color: #475569;
}

/* Currency Wrapper Styling */
.input-currency-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.currency-symbol {
    position: absolute;
    left: 1rem;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-secondary);
    pointer-events: none;
    user-select: none;
}

.input-currency-wrapper input {
    padding-left: 2rem;
}

/* Focus States (Following WCAG and Modern Web Guides) */
input:focus-visible,
textarea:focus-visible {
    outline: none;
    border-color: var(--accent-purple);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.15);
}

/* Validation Styling (:invalid / :user-valid) */
input.invalid-field,
textarea.invalid-field {
    border-color: var(--accent-error) !important;
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.15) !important;
}

.error-msg {
    display: block;
    font-size: 0.8rem;
    color: var(--accent-error);
    margin-top: 0.35rem;
    min-height: 1.2em; /* Prevents layout shifting when error text appears */
}

/* Submit Button & Spinner */
.submit-btn {
    width: 100%;
    min-height: 52px;
    background: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent-indigo) 100%);
    border: none;
    border-radius: var(--border-radius-md);
    color: #FFF;
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.2);
    transition: var(--transition-smooth);
    user-select: none;
}

.submit-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 15px 30px rgba(99, 102, 241, 0.35);
    background: linear-gradient(135deg, #9D6FF9 0%, #7679F9 100%);
}

.submit-btn:active:not(:disabled) {
    transform: translateY(1px);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #FFF;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Alert Notification Boxes */
.alert-box {
    padding: 1rem 1.25rem;
    border-radius: var(--border-radius-md);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    line-height: 1.5;
}

.alert-box.success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: #A7F3D0;
}

.alert-box.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #FCA5A5;
}

.hidden {
    display: none !important;
}

/* ==========================================================================
   Footer Component & Badges
   ========================================================================== */
.footer {
    text-align: center;
    margin-top: auto;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.trust-badges {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.badge {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 0.35rem 0.85rem;
    border-radius: 50px;
    font-weight: 500;
    color: #E2E8F0;
}

.footer p {
    font-size: 0.875rem;
    color: #64748B;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
    .main-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 2rem 1rem;
    }
    
    .header h1 {
        font-size: 2.25rem;
    }
    
    .props-grid {
        grid-template-columns: 1fr;
    }
    
    .glass-form-card {
        padding: 2rem 1.5rem;
    }
}